CN104129659A - Passive even material distributing method and device - Google Patents
Passive even material distributing method and device Download PDFInfo
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- CN104129659A CN104129659A CN201410337562.5A CN201410337562A CN104129659A CN 104129659 A CN104129659 A CN 104129659A CN 201410337562 A CN201410337562 A CN 201410337562A CN 104129659 A CN104129659 A CN 104129659A
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- drapery panel
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Abstract
The invention relates to a passive even material distributing method and device. The passive even material distributing device consists of a material distributing plate (3) and a material separating pipe (2), wherein the upper end of the material separating pipe is fixed under a feeding port (1) of a reactor (5), and the lower end of the material separating pipe is connected with the material distributing plate (3). A material (6) is separated by the material separating pipe (2) through the feeding port (1) and then falls onto the material distributing plate (3), the distributed material falls onto a material face (4) under the material distributing plate (3), and material distribution is finished. The passive even material distributing method and device achieves material separation and even material distribution under the conditions of limited installing space, high temperature and dustiness, and uneven bed layer phenomena caused by material piling are decreased. No moving part is adopted in the achievement process, external force is not needed, and the passive even material distributing device is simple, reliable and compact in structure, convenient to install and use and good in expandability. When a cross section shape and the area of the reactor for material distribution are changed, a suitable even material distributing system can be formed by combining the material separating pipes and the material distributing plates which are different in number.
Description
Technical field
The present invention relates to a kind of non-energy dynamic formula uniform charging method and device, belong to processing cloth field.
Background technology
As shown in Figure 1, moving bed reactor is positioned at the inlet point sectional area on top conventionally much smaller than reactor cavity sectional area, material is from inlet point falls, easily below inlet point, form solid accumulation, and other position material is less, cause being difficult to forming rapidly smooth material bed, be unfavorable for that material evenly participates in reaction.
The reactor that needs uniform distribution is a closed environment that space size is limited normally, and temperature is higher, and dust is more, and anti-explosion fire is had higher requirements.
The uniform scheme of existing material have (as " uniform distribution device ", number of patent application 200710092455.0) by oscillating deck, change material falling direction and quantity, have (as " a kind of bulk material uniform distribution device ", number of patent application: 201310196375.5) adopt ground-engaging element to realize material and sow, also have (as " a kind of granule materials feed arrangement ", number of patent application: 201310381877.5) utilize vibration component to realize sub-material and cloth.These scheme common features are by additionaling power, to realize the motion of part parts, shortcoming be take up room larger, complex structure, noise is large, under high temperature, many dirt condition, fault rate is high.
Summary of the invention
For overcoming the above problems, the present invention is limited at installing space, realize sub-material and the uniform distribution of material under high temperature, many dirt condition, reduces the bed unfairness causing because of solid accumulation.Implementation procedure does not have movable parts, does not need additionaling power, and compactness simple and reliable for structure is easy to install.Extensibility is strong, when wanting the reactor cross section shape of cloth and area to change, can form suitable uniform distribution system by sub-feed tube and the drapery panel of combination varying number.
The present invention relates to a kind of non-energy dynamic formula uniform distribution device, this device is comprised of drapery panel (3) and sub-feed tube (2); The upper end of described sub-feed tube is fixed on the below of the inlet point (1) of reactor (5), and the lower end of described sub-feed tube connects described drapery panel (3);
According to following formula, judgement needs the reactor square-section length and width contrast situation of cloth,
Wherein a is longer sides, and b is another length of side, n=1,2,3 ...According to the numerical value of a, b, n, when the absolute value of above formula hour, the value of n is exactly the contained tremie pipe number of sub-feed tube, wherein represents not need sub-feed tube during n=1.
The invention still further relates to a kind of distributing method that uses above-mentioned non-energy dynamic formula uniform distribution device, material (6), through inlet point (1), by sub-feed tube (2) sub-material, then drops on drapery panel (3), charge level below dropping on after cloth (4) is upper, completes cloth.
Accompanying drawing explanation
By describing in more detail exemplary embodiment of the present invention with reference to accompanying drawing, above and other aspect of the present invention and advantage will become and more be readily clear of, in the accompanying drawings:
Fig. 1 is blanking situation schematic diagram during without drapery panel in prior art;
Fig. 2 is the sub-feed tube structural representation of a kind of non-energy dynamic formula uniform charging method of the present invention and device;
Fig. 3 is the drapery panel structural representation of a kind of non-energy dynamic formula uniform charging method of the present invention and device;
Fig. 4 is the drapery panel birds-eye view that has small opening of a kind of non-energy dynamic formula uniform charging method of the present invention and device;
Fig. 5 be of the present invention a kind of non-can dynamic formula uniform charging method and device without small opening drapery panel application drawing;
Fig. 6 is the typical device structural representation of a kind of non-energy dynamic formula uniform charging method of the present invention and device;
Fig. 7 is multi-level sub-material and the uniform distribution system schematic of a kind of non-energy dynamic formula uniform charging method of the present invention and device.
The specific embodiment
Hereinafter, now with reference to accompanying drawing, the present invention is described more fully, various embodiment shown in the drawings.Yet the present invention can implement in many different forms, and should not be interpreted as being confined to embodiment set forth herein.On the contrary, it will be thorough with completely providing these embodiment to make the disclosure, and scope of the present invention is conveyed to those skilled in the art fully.
Hereinafter, exemplary embodiment of the present invention is described with reference to the accompanying drawings in more detail.
As shown in Figure 6, this device is comprised of drapery panel (3) and sub-feed tube (2); The upper end of described sub-feed tube is fixed on the below of the inlet point (1) of reactor (5), and the lower end of described sub-feed tube connects described drapery panel (3).The principle of work of this device is: material (6) is through inlet point (1), and by sub-feed tube (2) sub-material, then it is upper to drop on drapery panel (3), and the charge level (4) below dropping on after cloth is upper, completes cloth.
One, sub-feed tube
Whether 1.1 need sub-feed tube, and sub-feed tube is containing tremie pipe number
According to following formula, judgement needs the reactor square-section length and width contrast situation of cloth,
Wherein a is longer sides, and b is another length of side, n=1,2,3 ...According to the numerical value of a, b, n, when the absolute value of above formula hour, the value of n is exactly the contained tremie pipe number of sub-feed tube, wherein represents not need sub-feed tube during n=1.Example: known a=1490, b=920.While calculating known n=2, the absolute value of the same form is minimum.So this example need to be with one the sub-feed tube containing 2 tremie pipes.
The arbitrary tremie pipe of 1.2 sub-feed tube and horizontal plane angle
should be not less than the sliding friction angle between material and this material.
In this example
get the sliding friction angle that is a bit larger tham experiment material and material therefor, Ф gets 22 degree.Be illustrated in fig. 2 shown below.
Two, drapery panel
Drapery panel is positioned under inlet point (or the arbitrary tremie pipe outlet of sub-feed tube), when material falls, partial material is directly fallen on charge level through drapery panel centre hole, partial material is fallen on drapery panel, after being divided to a certain drapery panel side or from drapery panel end, be slipped to charge level, or hole drops on charge level from the side.The bank that each material drop point forms couples together, and forms a material face.
2.1 select drapery panel shape
As shown in Figure 3, drapery panel is that a base is the side surface of the pyramid of equilateral polygon (base number is not less than 2), and base is shaped as equilateral polygon or circle.The reactor cross section that needs cloth in this example is rectangle, and drapery panel base shape is selected square similarly.
2.2 drapery panel inclination alpha
The arbitrary side of drapery panel and horizontal plane angle α are not less than material at the sliding friction angle of drapery panel material surface, obtain by experiment sliding friction angle approximately 20 degree between material and 304 corrosion-resistant steel drapery panels, so α gets 22 degree in this example.
2.3 drapery panel separation baffles positions
On the crossing rib of drapery panel adjacent surface, be added with 1 type separation baffles, for guiding, shunting and the separation of the material that glides along drapery panel side;
The arbitrary side of drapery panel can be added with some 2 type separation baffles along pyramid generatrix direction, for guiding, shunting and the separation of the material along the downslide of drapery panel side;
Above separator of battery plates position principle: the area of conter by inlet point (or the arbitrary tremie pipe outlet of sub-feed tube) on drapery panel is equally divided into some parts.In this example, be divided into 12 parts, be illustrated in fig. 4 shown below.
2.4 drapery panel centre holes
Drapery panel center drilling, for leaking down partial material from drapery panel center.
Center hole shape needs to select circle, square according to processing.
Center-hole diameter is not less than material diameter, and when center-hole diameter is not more than 3 times of material diameter, center-hole diameter should not equal the integral multiple of material diameter, to facilitate smooth and easy blanking.
Center-hole diameter obtaining value method: meet below material spilling hole constraint condition.
2.5 drapery panel side material spilling holes
Depend on the cloth area that drapery panel is responsible, if necessary, can, at the arbitrary lateral opening hole of drapery panel, partial material be fallen from material spilling hole.
[constraint condition 1]:
As Fig. 4, for the small opening between two 2 type separation baffles, should guarantee that the bottom of following bank is tangent or crossing, as shown in Figure 4:
Circle P: from the leak down base circle of the bank that material forms of material spilling hole P;
Circle O: from the leak down base circle of the bank that material forms of centre hole;
Circle B: from the leak down base circle of the bank that material forms of drapery panel 2 type baffle plate B;
Circle C: from the leak down base circle of the bank that material forms of drapery panel 2 type baffle plate C;
[constraint condition 2]:
As Fig. 4, the small opening between 11 type separation baffles and 12 reason separation baffles, should guarantee that following bank is tangent or crossing in bottom, as shown in Figure 4:
Circle Q: from the leak down base circle of the bank that material forms of material spilling hole Q;
Circle S: from the leak down base circle of the bank that material forms of material spilling hole S, circle S and circle Q are symmetrical about rib OA;
Circle A: from the leak down base circle of the bank that material forms of drapery panel 1 type baffle plate A;
Circle B: from the leak down base circle of the bank that material forms of drapery panel 2 type baffle plate B;
[constraint condition 3]:
Tangent or crossing with reactor wall face from the leak down base circle of the bank that material forms of drapery panel 1 type baffle plate A and 2 type baffle plate B.
[constraint condition 4]:
Because installing space in reactor is limited, often restricted to the height of charge level to drapery panel edge.As in this example, require this to be highly not more than 100mm.
Meet above four constraint conditions and can form a charge level in the position requiring.According to above constraint condition, in conjunction with material angle of repose observed data, can determine small opening position and diameter.In this example, center-hole diameter 50mm; Small opening center P is 176mm to the projector distance of centre hole center of circle O, small opening P diameter 40m; Small opening center Q is 83.3mm to the horizontal projection distance of A, and vertical projection distance is 38.4mm.
2.6 sides are without material spilling hole
As shown in Figure 5, the area that needs cloth hour, does not need out material spilling hole can realize uniform distribution yet.The constraint condition that forms charge level is: the stockpile base that the material falling along drapery panel edge forms and centre hole leak expects that the stockpile base circle forming is tangent or crossing.
Three, multi-level feed dividing-distributing system
As shown in Figure 7, the feed opening of sub-feed tube can connect the inlet point of next stage sub-feed tube, also can connect drapery panel, thereby forms multi-level feed dividing-distributing system, can realize the uniform distribution of different clothes cross section, different material amount.
With fixed sturcture, realize sub-material and the uniform distribution of material, reduce the bed unfairness causing because of solid accumulation.Implementation procedure does not have movable parts, does not need additionaling power, compactness simple and reliable for structure, and shockproof noise, easy to install.Extensibility is strong, when wanting the reactor cross section shape of cloth and area to change, can form suitable uniform distribution system by sub-feed tube and the drapery panel of combination varying number.
The baffle plate that plays guiding, shunting, compartmentation in this example can replace by structures such as the projections on face;
Center drilling in this example can be cancelled under some little situations of cloth area;
Drapery panel lateral opening hole object in this example is for blanking in the scope between center drilling and drapery panel edge, therefore can realize by other method, such as engrail is done in drapery panel edge.
The foregoing is only embodiments of the invention, be not limited to the present invention.The present invention can have various suitable changes and variation.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (10)
- Non-can dynamic formula a uniform distribution device, it is characterized in that:This device is comprised of drapery panel (3) and sub-feed tube (2); The upper end of described sub-feed tube is fixed on the below of the inlet point (1) of reactor (5), and the lower end of described sub-feed tube connects described drapery panel (3);According to following formula, judgement needs the reactor square-section length and width contrast situation of cloth,Wherein a is longer sides, and b is another length of side, n=1,2,3 According to the numerical value of a, b, n, when the absolute value of above formula hour, the value of n is exactly the contained tremie pipe number of sub-feed tube, wherein represents not need sub-feed tube during n=1.
- As claimed in claim 1 a kind of non-can dynamic formula uniform distribution device, it is characterized in that:Described drapery panel is the side surface of the base pyramid that is equilateral polygon, and base is shaped as equilateral polygon or circle;The arbitrary side of drapery panel and horizontal plane angle α are not less than material at the sliding friction angle of drapery panel material surface.
- As claimed in claim 2 a kind of non-can dynamic formula uniform distribution device, it is characterized in that:On the crossing rib of described drapery panel adjacent surface, be added with 1 type separation baffles, for guiding, shunting and the separation of the material that glides along drapery panel side;The arbitrary side of drapery panel can be added with some 2 type separation baffles along pyramid generatrix direction, for guiding, shunting and the separation of the material along the downslide of drapery panel side;Above separator of battery plates position principle: the area of conter on drapery panel is equally divided into some parts by inlet point or the arbitrary tremie pipe outlet of sub-feed tube.
- A kind of non-as described in claim 1-3 any one can dynamic formula uniform distribution device, it is characterized in that:The center drilling of described drapery panel, for leaking down partial material from drapery panel center;The side of described drapery panel has material spilling hole, and partial material is fallen from material spilling hole.
- As claimed in claim 4 a kind of non-can dynamic formula uniform distribution device, it is characterized in that:Described device meets following constraint condition:Constraint condition 1:For the small opening between two 2 type separation baffles, should guarantee that the bottom of following bank is tangent or crossing:Circle P: from the leak down base circle of the bank that material forms of material spilling hole P;Circle O: from the leak down base circle of the bank that material forms of centre hole;Circle B: from the leak down base circle of the bank that material forms of drapery panel 2 type baffle plate B;Circle C: from the leak down base circle of the bank that material forms of drapery panel 2 type baffle plate C;Constraint condition 2:Small opening between 11 type separation baffles and 12 reason separation baffles, should guarantee that following bank is tangent or crossing in bottom:Circle Q: from the leak down base circle of the bank that material forms of material spilling hole Q;Circle S: from the leak down base circle of the bank that material forms of material spilling hole S, circle S and circle Q are symmetrical about rib OA;Circle A: from the leak down base circle of the bank that material forms of drapery panel 1 type baffle plate A;Circle B: from the leak down base circle of the bank that material forms of drapery panel 2 type baffle plate B;Constraint condition 3:Tangent or crossing with reactor wall face from the leak down base circle of the bank that material forms of drapery panel 1 type baffle plate A and 2 type baffle plate B;Constraint condition 4:Because installing space in reactor is limited, restricted to the height of charge level to drapery panel edge, as require this to be highly not more than 100mm;Meet above four constraint conditions and can form a charge level in the position requiring, according to above constraint condition, in conjunction with material angle of repose observed data, can determine small opening position and diameter.
- A kind of non-as described in claim 1 or 5 can dynamic formula uniform distribution device, it is characterized in that:The feed opening of described sub-feed tube can connect the inlet point of next stage sub-feed tube, also can connect drapery panel, thereby forms multi-level feed dividing-distributing system, can realize the uniform distribution of different clothes cross section, different material amount.
- As claimed in claim 4 a kind of non-can dynamic formula uniform distribution device, it is characterized in that:Described baffle plate can replace by structures such as the projections on face.
- As claimed in claim 5 a kind of non-can dynamic formula uniform distribution device, it is characterized in that:Described center drilling and side material spilling hole can be cancelled under some little situations of cloth area.
- As claimed in claim 1 a kind of non-can dynamic formula uniform distribution device, it is characterized in that:The edge of described drapery panel is zig-zag.
- 10. a non-distributing method that can dynamic formula uniform distribution device that uses any one in the claims 1-9, it is characterized in that: material (6) is through inlet point (1), by sub-feed tube (2) sub-material, drop on again on drapery panel (3), charge level below dropping on after cloth (4) is upper, completes cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337562.5A CN104129659B (en) | 2014-07-15 | 2014-07-15 | Passive even material distributing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337562.5A CN104129659B (en) | 2014-07-15 | 2014-07-15 | Passive even material distributing method and device |
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| CN104129659A true CN104129659A (en) | 2014-11-05 |
| CN104129659B CN104129659B (en) | 2017-02-08 |
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| CN201410337562.5A Expired - Fee Related CN104129659B (en) | 2014-07-15 | 2014-07-15 | Passive even material distributing method and device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670933A (en) * | 2014-12-26 | 2015-06-03 | 长沙中联重科环卫机械有限公司 | Bulk material distribution device for storage space, control system and transport vehicle |
| CN105692240A (en) * | 2016-03-04 | 2016-06-22 | 曾周玉 | Storage bin for logistics |
| CN106586610A (en) * | 2016-11-16 | 2017-04-26 | 巨石集团有限公司 | Homogenizing distribution device for powder conveying device |
| CN106732146A (en) * | 2017-01-18 | 2017-05-31 | 长兴宏诚机械科技有限公司 | It is a kind of uniformly to add powder agitating device |
| CN108045977A (en) * | 2017-11-30 | 2018-05-18 | 无锡锡东能源科技有限公司 | One plant feed bin even distributor |
| WO2019112951A1 (en) * | 2017-12-04 | 2019-06-13 | Ecolab Usa Inc. | Powder material hopper system with offset loading |
| CN109999734A (en) * | 2019-04-18 | 2019-07-12 | 山东大学 | A kind of apparatus and method reverse flow heat exchange and reacted |
| CN112299057A (en) * | 2020-10-16 | 2021-02-02 | 山东建筑大学 | Secondary particle automatic distributor based on Archimedes spiral line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880300A (en) * | 1974-03-28 | 1975-04-29 | Atlantic Richfield Co | Apparatus for distributing particulate material over a zone |
| GB2168330A (en) * | 1984-12-07 | 1986-06-18 | Chevron Res | Method and apparatus for uniformly loading particulate material into cylindrical beds |
| FR2595338A3 (en) * | 1986-03-07 | 1987-09-11 | Ottosson John | Distributor for silo |
| CN1446745A (en) * | 2002-03-21 | 2003-10-08 | 王俊斗 | Manufacturing and operation method of automatic spreader of food grain |
| CN202670791U (en) * | 2012-05-15 | 2013-01-16 | 江苏仅一包装技术有限公司 | Material distribution device |
| CN204038658U (en) * | 2014-07-15 | 2014-12-24 | 国电科学技术研究院 | A kind of non-energy dynamic formula uniform distribution device |
-
2014
- 2014-07-15 CN CN201410337562.5A patent/CN104129659B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880300A (en) * | 1974-03-28 | 1975-04-29 | Atlantic Richfield Co | Apparatus for distributing particulate material over a zone |
| GB2168330A (en) * | 1984-12-07 | 1986-06-18 | Chevron Res | Method and apparatus for uniformly loading particulate material into cylindrical beds |
| FR2595338A3 (en) * | 1986-03-07 | 1987-09-11 | Ottosson John | Distributor for silo |
| CN1446745A (en) * | 2002-03-21 | 2003-10-08 | 王俊斗 | Manufacturing and operation method of automatic spreader of food grain |
| CN202670791U (en) * | 2012-05-15 | 2013-01-16 | 江苏仅一包装技术有限公司 | Material distribution device |
| CN204038658U (en) * | 2014-07-15 | 2014-12-24 | 国电科学技术研究院 | A kind of non-energy dynamic formula uniform distribution device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670933A (en) * | 2014-12-26 | 2015-06-03 | 长沙中联重科环卫机械有限公司 | Bulk material distribution device for storage space, control system and transport vehicle |
| CN105692240A (en) * | 2016-03-04 | 2016-06-22 | 曾周玉 | Storage bin for logistics |
| CN105692240B (en) * | 2016-03-04 | 2017-11-17 | 曾周玉 | A kind of storage bin of logistics |
| CN106586610A (en) * | 2016-11-16 | 2017-04-26 | 巨石集团有限公司 | Homogenizing distribution device for powder conveying device |
| CN106732146A (en) * | 2017-01-18 | 2017-05-31 | 长兴宏诚机械科技有限公司 | It is a kind of uniformly to add powder agitating device |
| CN108045977A (en) * | 2017-11-30 | 2018-05-18 | 无锡锡东能源科技有限公司 | One plant feed bin even distributor |
| WO2019112951A1 (en) * | 2017-12-04 | 2019-06-13 | Ecolab Usa Inc. | Powder material hopper system with offset loading |
| US10961002B2 (en) | 2017-12-04 | 2021-03-30 | Ecolab Usa Inc. | Powder material hopper system with offset loading |
| CN109999734A (en) * | 2019-04-18 | 2019-07-12 | 山东大学 | A kind of apparatus and method reverse flow heat exchange and reacted |
| CN112299057A (en) * | 2020-10-16 | 2021-02-02 | 山东建筑大学 | Secondary particle automatic distributor based on Archimedes spiral line |
| CN112299057B (en) * | 2020-10-16 | 2022-01-21 | 山东建筑大学 | Secondary particle automatic distributor based on Archimedes spiral line |
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| CN104129659B (en) | 2017-02-08 |
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